Related Experiment Video
Updated: Jul 24, 2026

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes
Published on: March 24, 2015
Interferon-alpha treatment of children with chronic hepatitis D virus infection: the Greek experience
G N Dalekos1, E Galanakis, E Zervou
1Department of Internal Medicine, Pediatrics Medical School, University of Ioannina, Greece.
Insights
Interferon-alpha therapy for children with chronic hepatitis D was safe, showing mild side effects and improved growth. However, it proved relatively ineffective in clearing the virus or improving liver histology.
Area of Science:
- Hepatology
- Pediatric Infectious Diseases
- Virology
Background:
- Limited therapeutic options exist for children with chronic hepatitis D virus (HDV) infection.
- This study retrospectively evaluated interferon-alpha treatment in pediatric patients.
Purpose of the Study:
- To assess the efficacy and safety of interferon-alpha in children with chronic hepatitis D.
- To evaluate treatment outcomes based on virological, biochemical, and histological markers.
Main Methods:
- Seven children with chronic HDV infection received interferon-alpha (3 x 10(6) U/m2) three times weekly for one year.
- Monthly assessments included hematological, serological, and biochemical tests, alongside HDV-RNA, HBV-DNA, HBsAg, and HBeAg monitoring.
- Liver histology was also evaluated as a response criterion.
Main Results:
- Alanine aminotransferase levels decreased significantly, but HDV-RNA persisted in 4 children.
- No seroconversion of HBsAg or HBeAg was observed, and liver histology showed disappointing progress.
- Side effects were mild and transient, with children maintaining activity and showing improved growth parameters.
Conclusions:
- Interferon-alpha demonstrated a safe profile in pediatric chronic hepatitis D but was relatively ineffective.
- The findings underscore the urgent need for more effective treatments targeting the HDV genome.
- This study reinforces the importance of Hepatitis B virus (HBV) vaccination for preventing HDV infection.
Background/Aims:
The therapeutic experience of interferon-alpha therapy against hepatitis D virus infection in affected children is rather limited. For this reason, we conducted a retrospective study (duration: 1991-1995) in order to evaluate the efficacy and the safety of interferon-alpha in children suffering from chronic hepatitis D in Northwestern Greece.
Methodology:
Seven children who were found to be infected with HDV in a total of 324 children seropositive for hepatitis B virus infection during the 5-year period of the study were treated with interferon-alpha, 3 x 10(6) U/m2 body surface area, intramuscularly or subcutaneously, 3 times weekly for 1 year (after an informed consent obtained from their parents). Patients were assessed monthly by hematological serological and biochemical tests. Clinical progress, levels of serum alanine aminotransferase, hepatitis D ribonucleic acid (HDV-RNA) and hepatitis B deoxyribonucleic acid (HBV-DNA), seroconversion of hepatitis B surface antigen (HBsAg) and Hepatitis Be Antigen (HBeAg) and liver histology were used as response criteria.
Results:
Posttreatment alanine transferase levels were significantly reduced (P < 0.05) but Immunoglobulin M and total anti-hepatitis D virus (anti-HDV) antibodies remained positive in all, while hepatitis D ribonucleic acid persisted positive in 4 cases. In addition, no seroconversion of HBsAg or HBeAg was noted and the liver histology progress was disappointing. Side effects including mild fever, arthralgias and malaise and reversible neutropenia and thrombocytopenia were common, but not particularly disturbing. Nevertheless, the children remained fully active on treatment, felt well and attended school. Initially 4 children had been below the 10th percentile for weight and height. All thrived during treatment and two crossed above the 10th percentile indicating height velocity and body mass index increase.
Conclusions:
The administration of regular interferon-alpha doses for treating children with chronic hepatitis D was safe as attested by the mild side effects and the objective clinical criteria regarding their growth, but relatively ineffective. Although the prevalence of hepatitis D virus infection is now generally decreased, this study indirectly indicates that more effective agents and new approaches at the molecular level of the hepatitis D virus genome are urgently warranted for its control in individuals already infected with the virus. Finally, the poor therapeutic results in the present study further enhance the necessity of the expanded vaccination against Hepatitis B virus according to the World Health Organization's recommendations.
More Related Videos
Related Concept Videos
Chronic Pancreatitis II: Collaborative Care
Assessment:
Pharmacokinetics in Pediatric Patients: Drug Excretion
Hepatitis
Inhibitors of Viral Protein Synthesis
Antiviral Nucleoside Inhibitors
Viral Hepatitis I: Introduction

